Application:
For use with mask for anti-dust, anti-vehicle exhaust, anti PM2.5 and haze day protection. It is suitable for cycling, running, biking, hiking, skiing and other outdoor activities.
Specification:
Material: activated carbon, breathable fiber cloth, non-woven fabrics
Colors: white
Product size: 3.5 x 4.3 inch
Quantity: 20
Package includes:
20 x Replaceable Activated Carbon N99 Filter
Warm tip:
The mask filter replaced steps:
1. Open the mask to expose the interior of the filter valve.
2. According to the OPEN directions on the valve,turn the valve counter, to separate the valve.
3. Remove the filter.
4. Replace the new filter, iterate the above steps, rotation of the valve, over.
Notice: our package not include masks.